Added requests interceptors support. IP addresses can now be banned.

interceptors/security/blacklist.py

@@ -0,0 +1,34 @@
+from piracyshield_service.security.blacklist.exists_by_ip_address import SecurityBlacklistExistsByIPAddressService
+
+from ioutils.errors import ErrorCode, ErrorMessage
+
+class BlacklistInterceptor:
+
+    """
+    Applies bans.
+    """
+
+    security_blacklist_exists_by_ip_address_service = None
+
+    async def execute(self, r):
+        await self._prepare_modules()
+
+        if self.security_blacklist_exists_by_ip_address_service.execute(
+            ip_address = r.request.remote_ip
+        ) == True:
+            raise BlacklistInterceptorException()
+
+    async def _prepare_modules(self):
+        self.security_blacklist_exists_by_ip_address_service = SecurityBlacklistExistsByIPAddressService()
+
+class BlacklistInterceptorException(Exception):
+
+    """
+    The IP address is temporary banned.
+    """
+
+    status_code = 403
+
+    error_code = ErrorCode.IP_ADDRESS_BLACKLISTED
+
+    error_message = ErrorMessage.IP_ADDRESS_BLACKLISTED